Cheap Flight Tickets from Washington (DCA) to Ontario (ONT), Starting at $158

Good to Know: Cheapest and Fastest DCA - ONT Flights

Useful information for finding best airline tickets from Ronald Reagan Washington National to Ontario International on your next trip.

Cheapest Round Trip Flight

$344

WN Southwest Airlines • 1 stop • 11h 55m

Dec 26 – Jan 04

The cheapest round trip flight from Washington to Ontario (DCA-ONT-DCA) is currently $344

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Cheapest One way Flight

$158

WN Southwest Airlines • 1 stop • 15h 40m

Dec 17

The cheapest one way flight from Washington to Ontario (DCA-ONT) is currently $158

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Fastest Flight

11h 52m

The fastest nonstop flight from Washington to Ontario (DCA-ONT) takes 11h 52m

Top Airlines Flying from Washington to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Washington (DCA) to Ontario (ONT)

Compare and book low fare round-trip air tickets from Washington to Ontario. Ideal for travelers with confirmed return itineraries.

Dec 26 - Jan 04, Economy
WN
Washington → Ontario
11h 55m
4:40 PM - 8:55 PM • 1 stop
WN
Washington → Ontario
7h 25m
9:55 PM - 5:40 AM • nonstop
$344
Southwest Airlines
Dec 26 - Jan 04, Economy
DL
Washington → Ontario
15h
5:59 PM - 11:59 PM • 1 stop
DL
Washington → Ontario
7h 26m
7:40 AM - 3:26 PM • nonstop
$394
Delta Airlines
Dec 26 - Jan 04, Economy
DL
Washington → Ontario
14h 15m
5:45 PM - 11:40 PM • 1 stop
DL
Washington → Ontario
10h 53m
6:00 AM - 3:53 PM • 1 stop
$394
Delta Airlines
Dec 26 - Jan 04, Economy
DL
Washington → Ontario
12h 25m
6:55 PM - 11:40 PM • 1 stop
DL
Washington → Ontario
7h 26m
7:40 AM - 3:26 PM • nonstop
$394
Delta Airlines
Dec 26 - Jan 04, Economy
DL
Washington → Ontario
15h
5:59 PM - 11:59 PM • 1 stop
DL
Washington → Ontario
10h 50m
1:32 PM - 11:22 PM • 1 stop
$394
Delta Airlines
Dec 26 - Jan 04, Economy
DL
Washington → Ontario
15h 35m
2:00 PM - 8:35 PM • 1 stop
DL
Washington → Ontario
7h 26m
7:40 AM - 3:26 PM • nonstop
$394
Delta Airlines

Fly from Washington to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Ontario Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from DCA to ONT?
The most popular airline flying from Washington to Ontario are
Can I fly from DCA to ONT non-stop?
NO
Which airlines fly nonstop between Washington and Ontario?
The non-stop flights between Washington and Ontario are .
What’s the earliest departure time from DCA to ONT Airport?
The earliest flight leaves DCA at 6:00 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Washington to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DCA to ONT?
Read the fare rules of the Washington to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Ontario?
operate flights between Washington and Ontario
How long does a flight from Washington to Ontario take?
It takes approximately 5 hour to fly non-stop from DCA to ONT, which is 2264.8 miles by air.
Which airlines provide the cheapest flights from Washington (DCA) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from DCA were found on WN : USD 158
Do I need a passport to fly between DCA and ONT?
No
What’s the latest departure time from DCA to ONT ?
The last flight leaves DCA at 6:55 pm

Essential Information for Booking Flights from Washington (DCA) - AI Insights

What's the cheapest airline from dca to ont?
You can find the cheapest airline tickets from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) with Southwest Airlines (WN) for a round-trip economy flight. The airline offers budget-friendly flights with low fares, making it a cost-effective option for your trip. Please book in advance to secure the best savings. July is a great time to travel, and you can find affordable airfares on the fareleaders.com website.
What's the popular airline to fly from dca to ont?
Southwest Airlines offers budget-friendly flights from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) with one stop. For a round-trip journey, book your airfare in advance to secure the best Low Fares.
What's the cheapest day of the week to fly from dca to ont?
The cheapest day to fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) is Sunday. Flying on Sundays can result in lower airfares, making it a budget-friendly option for your round-trip journey. You can find affordable flights from DCA to ONT on Sunday with airfares that include savings on airfare, flights, and airfares.
What's the cheapest month to fly from dca to ont?
The cheapest month to fly from DCA to ONT is September. Booking in advance, you can find budget-friendly flights with low fares. Consider flying during the off-season for the best airfare deals.
Which airline/airlines fly from dca to ont?
Frontier Airlines, Alaska Airlines, American Airlines, United Airlines, Aeromexico, Southwest Airlines, Delta Airlines, and JetBlue Airways offer flights from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) with one stop. Booking in advance can help secure the best airfares.
What is the cheapest airfare to Ontario International from Ronald Reagan Washington National airport?
You can find the cheapest airfare to Ontario International from Ronald Reagan Washington National airport with Southwest Airlines (WN) starting from September travel.
How many advance booking days do I need for a round trip economy flight?
For a round trip economy flight, you need to book at least 11 advance booking days in advance.
Can I book flights for July travel on your website?
Yes, you can book flights for July travel on our website.
What is the difference between airfare and fare?
Airfare refers to the cost of a flight, while fare is a more general term that can include other travel costs.
How can I find the best airlines for my air travel needs?
You can find the best airlines for your air travel needs by comparing airfares across different airlines on our website.
What is the process for booking a pasaje (airplant) ticket?
We do not offer pasaje (airplant) tickets. Our website specializes in booking airfares and flights.
Can I get a cheapflights or cheapestflights deal on your website?
Yes, you can get cheapflights or cheapestflights deals on our website.
How do I use your agency to find my next airflight?
To use our agency, simply enter your travel dates and destinations on our website and we will provide you with the best airfare options.

Washington (DCA) to Ontario (ONT): Airport Information

Origin Airport Ronald Reagan Washington National , Washington, US
Destination Airport Ontario International , Ontario, US
Distance 2265 miles

More Flight Options for Washington (DCA) and Ontario (ONT)

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